3711421666 has 8 divisors (see below), whose sum is σ = 5567824044. Its totient is φ = 1855480320.

The previous prime is 3711421579. The next prime is 3711421667. The reversal of 3711421666 is 6661241173.

It can be written as a sum of positive squares in 2 ways, for example, as 3668846041 + 42575625 = 60571^2 + 6525^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3711421667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94375 + ... + 127786.

Almost surely, 2^3711421666 is an apocalyptic number.

3711421666 is a deficient number, since it is larger than the sum of its proper divisors (1856402378).

3711421666 is a wasteful number, since it uses less digits than its factorization.

3711421666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230516.

The product of its digits is 36288, while the sum is 37.

The square root of 3711421666 is about 60921.4384761227. The cubic root of 3711421666 is about 1548.2702404522.

The spelling of 3711421666 in words is "three billion, seven hundred eleven million, four hundred twenty-one thousand, six hundred sixty-six".